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The vlaue of 1/8(3-4cos 2 theta + cos 4 ...

The vlaue of `1/8(3-4cos 2 theta + cos 4 theta)` is

A

`cos 4 theta `

B

`sin 4 theta `

C

`sin ^(4) theta`

D

`cos ^(4) theta`

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The correct Answer is:
C
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES -COMPETITIVE THINKING
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